Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the areas of two similar triangle are in the ratio 5 : 7, then what is the ratio of the corresponding sides of these two triangles?

A) 5 : 7 B) 25 : 49
C) √5 : √7 D) 125 : 343
 
Answer & Explanation Answer: C) √5 : √7

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Filed Under: Volume and Surface Area
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Q:

At least one diagonal bisects the other in a _____.

A) Trapezium B) Isosceles trapezium
C) Kite D) Cyclic quadrilateral
 
Answer & Explanation Answer: C) Kite

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Q:

Two chords AB and CD of a circle with centre O intersect at P. If ∠APC = 40°. Then the value of ∠AOC + ∠BOD is

A) 50° B) 60°
C) 80° D) 120°
 
Answer & Explanation Answer: C) 80°

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Q:

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel. 
What is the area of triangle ADC?

A) 126 SQ.CM B) 124 SQ.CM
C) 122 SQ.CM   D) 120 SQ.CM
 
Answer & Explanation Answer: A) 126 SQ.CM

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Q:

If x + y = 3, then what is the value of x3 + y3 + 9xy?

A) 15 B) 81
C) 27 D) 9
 
Answer & Explanation Answer: C) 27

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Filed Under: Simplification
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Q:

Find the odd word/letters/number pair from the given alternatives

A) HP B) CJ
C) FN D) RZ
 
Answer & Explanation Answer: B) CJ

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Filed Under: Odd Man Out
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Q:

Four pairs of words are given. Find the odd one out.

A) Rhombus : Four-sided polygon B) Nonagon : Seven-sided polygon
C) Octagon : Eight-sided polygon D) Hexagon : Six-sided polygon
 
Answer & Explanation Answer: B) Nonagon : Seven-sided polygon

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Q:

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 4 cm, then what is the area (in cm2) of an equilateral triangle with side equal to the bigger diagonal of the rhombus?

A) 6 B) 9√3
C) 12 D) 12√3
 
Answer & Explanation Answer: D) 12√3

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Filed Under: Simplification
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